Screenshot whole body, not just canvas

Separate screenshots for turbovnc and tigervnc

Author: manics

.github/workflows/test.yaml

@@ -95,6 +95,7 @@ jobs:
           export CONTAINER_ID=$container_id
           export JUPYTER_HOST=http://localhost:8888
           export JUPYTER_TOKEN=secret
+          export VNCSERVER=${{ matrix.vncserver }}
 
           python -mpytest -vs
 

tests/reference/desktop-turbovnc.png

@@ -12,6 +12,7 @@
 CONTAINER_ID = getenv("CONTAINER_ID", "test")
 JUPYTER_HOST = getenv("JUPYTER_HOST", "http://localhost:8888")
 JUPYTER_TOKEN = getenv("JUPYTER_TOKEN", "secret")
+VNCSERVER = getenv("VNCSERVER")
 
 
 def compare_screenshot(test_image, threshold=2):
@@ -21,6 +22,8 @@ def compare_screenshot(test_image, threshold=2):
     # e.g. for 24 bit images (8 bit RGB pixels) threshold=1 means a maximum
     # difference of 1 bit per pixel per channel
     reference = Image.open(HERE / "reference" / "desktop.png")
+    if VNCSERVER == "turbovnc":
+        reference = Image.open(HERE / "reference" / "desktop-turbovnc.png")
     test = Image.open(test_image)
 
     # Absolute difference
@@ -53,7 +56,7 @@ def test_desktop(browser):
     page1.wait_for_timeout(5000)
     # Use a non temporary folder so we can check it manually if necessary
     screenshot = Path("screenshots") / "desktop.png"
-    page1.locator("canvas").screenshot(path=screenshot)
+    page1.locator("body").screenshot(path=screenshot)
 
     # Open clipboard, enter random text, close clipboard
     clipboard_text = str(uuid4())